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00001 //================================================================================================= 00002 // Copyright (c) 2011, Johannes Meyer, TU Darmstadt 00003 // All rights reserved. 00004 00005 // Redistribution and use in source and binary forms, with or without 00006 // modification, are permitted provided that the following conditions are met: 00007 // * Redistributions of source code must retain the above copyright 00008 // notice, this list of conditions and the following disclaimer. 00009 // * Redistributions in binary form must reproduce the above copyright 00010 // notice, this list of conditions and the following disclaimer in the 00011 // documentation and/or other materials provided with the distribution. 00012 // * Neither the name of the Flight Systems and Automatic Control group, 00013 // TU Darmstadt, nor the names of its contributors may be used to 00014 // endorse or promote products derived from this software without 00015 // specific prior written permission. 00016 00017 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 00018 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 00019 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00020 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY 00021 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00022 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00023 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00024 // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00025 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00026 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00027 //================================================================================================= 00028 00029 #ifndef HECTOR_POSE_ESTIMATION_NODE_H 00030 #define HECTOR_POSE_ESTIMATION_NODE_H 00031 00032 #include <hector_pose_estimation/pose_estimation.h> 00033 00034 #include <ros/ros.h> 00035 00036 #include <sensor_msgs/Imu.h> 00037 #if defined(USE_MAV_MSGS) 00038 #include <mav_msgs/Height.h> 00039 #elif defined(USE_HECTOR_UAV_MSGS) 00040 #include <hector_uav_msgs/Altimeter.h> 00041 #else 00042 #include <geometry_msgs/PointStamped.h> 00043 #endif 00044 #include <sensor_msgs/NavSatFix.h> 00045 #include <geometry_msgs/QuaternionStamped.h> 00046 #include <geometry_msgs/PoseWithCovarianceStamped.h> 00047 #include <geometry_msgs/TwistWithCovarianceStamped.h> 00048 #include <geometry_msgs/Vector3Stamped.h> 00049 #include <nav_msgs/Odometry.h> 00050 #include <std_msgs/String.h> 00051 #include <tf/transform_broadcaster.h> 00052 #include <tf/transform_listener.h> 00053 00054 #include <message_filters/subscriber.h> 00055 #include <message_filters/time_synchronizer.h> 00056 00057 namespace hector_pose_estimation { 00058 00059 class PoseEstimationNode { 00060 public: 00061 PoseEstimationNode(const SystemPtr& system = SystemPtr()); 00062 virtual ~PoseEstimationNode(); 00063 00064 virtual bool init(); 00065 virtual void reset(); 00066 virtual void cleanup(); 00067 00068 virtual void publish(); 00069 00070 protected: 00071 void imuCallback(const sensor_msgs::ImuConstPtr& imu); 00072 00073 #if defined(USE_MAV_MSGS) 00074 void heightCallback(const mav_msgs::HeightConstPtr& height); 00075 #elif defined(USE_HECTOR_UAV_MSGS) 00076 void baroCallback(const hector_uav_msgs::AltimeterConstPtr& altimeter); 00077 #else 00078 void heightCallback(const geometry_msgs::PointStampedConstPtr& height); 00079 #endif 00080 00081 void magneticCallback(const geometry_msgs::Vector3StampedConstPtr& magnetic); 00082 void gpsCallback(const sensor_msgs::NavSatFixConstPtr& gps, const geometry_msgs::Vector3StampedConstPtr& gps_velocity); 00083 void poseupdateCallback(const geometry_msgs::PoseWithCovarianceStampedConstPtr& pose); 00084 void twistupdateCallback(const geometry_msgs::TwistWithCovarianceStampedConstPtr& twist); 00085 void syscommandCallback(const std_msgs::StringConstPtr& syscommand); 00086 00087 virtual ros::NodeHandle& getNodeHandle() { return nh_; } 00088 virtual ros::NodeHandle& getPrivateNodeHandle() { return private_nh_; } 00089 00090 tf::TransformBroadcaster *getTransformBroadcaster(); 00091 tf::TransformListener *getTransformListener(); 00092 00093 protected: 00094 PoseEstimation *pose_estimation_; 00095 00096 private: 00097 ros::NodeHandle nh_; 00098 ros::NodeHandle private_nh_; 00099 00100 ros::Subscriber imu_subscriber_, baro_subscriber_, height_subscriber_, magnetic_subscriber_; 00101 message_filters::Subscriber<sensor_msgs::NavSatFix> gps_subscriber_; 00102 message_filters::Subscriber<geometry_msgs::Vector3Stamped> gps_velocity_subscriber_; 00103 message_filters::TimeSynchronizer<sensor_msgs::NavSatFix,geometry_msgs::Vector3Stamped> *gps_synchronizer_; 00104 ros::Publisher state_publisher_, pose_publisher_, velocity_publisher_, imu_publisher_, global_publisher_; 00105 ros::Publisher angular_velocity_bias_publisher_, linear_acceleration_bias_publisher_, gps_pose_publisher_; 00106 ros::Subscriber poseupdate_subscriber_, twistupdate_subscriber_; 00107 ros::Subscriber syscommand_subscriber_; 00108 00109 std::vector<tf::StampedTransform> transforms_; 00110 tf::TransformBroadcaster transform_broadcaster_; 00111 tf::TransformListener *transform_listener_; 00112 00113 bool with_covariances_; 00114 bool publish_world_other_transform_; 00115 std::string other_frame_; 00116 }; 00117 00118 } // namespace hector_pose_estimation 00119 00120 #endif // HECTOR_POSE_ESTIMATION_NODE_H